If sin y = x sin(a + y), then dy/dx is:
If sin y = x sin(a + y), then dy/dx is:
- A. sin²(a+y)/sin a
- B. sin a/sin²(a+y)
- C. sin(a+y)/sin a
- D. sin a/sin(a+y)
Answer: A) sin²(a+y)/sin a
Explanation: Differentiate: cos y y′ = sin(a+y) + x cos(a+y) y′. Also x = sin y/sin(a+y). Substitute and simplify to get y′ = sin²(a+y)/sin a.
0 Answers
Log in to post your own answer or join the discussion.
No comments yet — start the discussion.